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natalie03 natalie03
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Posts: 649
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6 years ago
Premenstrual syndrome and premenstrual dysphoric disorder are most likely linked to
 
  A) imbalances in neurotransmitters.
  B) an excess of estrogen.
  C) a deficit in serotonin.
  D) a block of gamma-aminobutyric acid.
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wrote...
6 years ago
A
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